Kcna

Introduction Passing the Kubernetes and Cloud Native Associate (KCNA) exam was a great milestone in my cloud journey. In this post, I’ll walk you through the strategy I used to prepare and pass the exam on the first attempt. I focused on hands-on experience, curated courses, and repeated quiz practice to reinforce core concepts. Why KCNA? KCNA is a foundational certification offered by the Cloud Native Computing Foundation (CNCF). It’s designed to validate your understanding of Kubernetes, cloud-native principles, container orchestration, and open-source tools in the CNCF landscape. ...

KCNA Kubernetes architecture Simple definitions Node: node is a worker machine where container run Cluster: set of node Master node: orchestrate the nodes Components Api server: frontend of the architecture. With api server you can talk with the cluster etcd: Distributed Hash Table **(**DHT) that contains all info of the cluster kubelet: agent that run in all node. Run stop container, interact with the kube api server of the master. container runtime: runtime where containers run controller: control the state of the cluster, restart pods if fails scheduler: distribute works on the nodes Kubectl CLI command for talk with the cluster ...